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xbee.nl screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

xbee.nl

Home - XBEE Enzyme Fuel Technology

Page Load Speed

3.9 sec in total

First Response

382 ms

Resources Loaded

3 sec

Page Rendered

479 ms

xbee.nl screenshot

About Website

Click here to check amazing XBEE content. Otherwise, check out these important facts you probably never knew about xbee.nl

Xbee elimineert sludge en bacteriën in brandstoftanks!

Visit xbee.nl

Key Findings

We analyzed Xbee.nl page load time and found that the first response time was 382 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

xbee.nl performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value18.5 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value1,770 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.107

88/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

xbee.nl

382 ms

www.xbee.nl

524 ms

wp-emoji-release.min.js

103 ms

css

98 ms

magnific-popup.min.css

223 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 81% of them (64 requests) were addressed to the original Xbee.nl, 4% (3 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Xbee.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 782.8 kB (45%)

Content Size

1.7 MB

After Optimization

959.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Xbee.nl main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 801.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 42.8 kB

  • Original 54.8 kB
  • After minification 54.1 kB
  • After compression 12.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 42.8 kB or 78% of the original size.

Image Optimization

-13%

Potential reduce by 101.9 kB

  • Original 801.8 kB
  • After minification 699.9 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, XBEE needs image optimization as it can save up to 101.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 352.5 kB

  • Original 544.2 kB
  • After minification 532.3 kB
  • After compression 191.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 352.5 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 285.6 kB

  • Original 341.8 kB
  • After minification 313.7 kB
  • After compression 56.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Xbee.nl needs all CSS files to be minified and compressed as it can save up to 285.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (61%)

Requests Now

72

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of XBEE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

xbee.nl

xbee.nl

382 ms

www.xbee.nl

www.xbee.nl

524 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

103 ms

css

css

98 ms

magnific-popup.min.css

magnific-popup.min.css

223 ms

youtube-channel.css

youtube-channel.css

222 ms

quick-contact-form.css

quick-contact-form.css

223 ms

jquery-ui.css

jquery-ui.css

71 ms

style.css

style.css

335 ms

skin.css

skin.css

244 ms

responsive.css

responsive.css

221 ms

jquery.js

jquery.js

451 ms

jquery-migrate.min.js

jquery-migrate.min.js

299 ms

jquery.cycle.all.js

jquery.cycle.all.js

312 ms

jquery.codestar.js

jquery.codestar.js

316 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

329 ms

jquery.tools.min.js

jquery.tools.min.js

382 ms

superfish.js

superfish.js

398 ms

jquery.touchSwipe.js

jquery.touchSwipe.js

407 ms

jquery.fitvids.js

jquery.fitvids.js

421 ms

css

css

85 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

411 ms

core.min.js

core.min.js

547 ms

datepicker.min.js

datepicker.min.js

547 ms

quick-contact-form.js

quick-contact-form.js

548 ms

effect.min.js

effect.min.js

551 ms

quick-range-slider.js

quick-range-slider.js

548 ms

jquery.register.js

jquery.register.js

553 ms

wp-embed.min.js

wp-embed.min.js

554 ms

0.jpg

0.jpg

416 ms

header_bg.png

header_bg.png

415 ms

xbee-logo-broad.png

xbee-logo-broad.png

425 ms

search.png

search.png

424 ms

icone-ch.png

icone-ch.png

423 ms

icone-de.png

icone-de.png

422 ms

icone-en.png

icone-en.png

423 ms

icone-es.png

icone-es.png

424 ms

icone-fr.png

icone-fr.png

520 ms

icone-nl.png

icone-nl.png

501 ms

icone-pl.png

icone-pl.png

501 ms

icone-se.png

icone-se.png

505 ms

footer-background.png

footer-background.png

939 ms

slider_fuel_additive1.png

slider_fuel_additive1.png

806 ms

slider_benefits_dutch.png

slider_benefits_dutch.png

841 ms

slider_guarantees.png

slider_guarantees.png

832 ms

slider_packaging.png

slider_packaging.png

1076 ms

slider_pollution.png

slider_pollution.png

1220 ms

play_pause.png

play_pause.png

829 ms

intro_bg.png

intro_bg.png

839 ms

content_bg.png

content_bg.png

852 ms

ci_bgs.png

ci_bgs.png

852 ms

icone-tank.png

icone-tank.png

912 ms

tick_16.png

tick_16.png

933 ms

icone-bacteria.png

icone-bacteria.png

940 ms

icone-maintenance.png

icone-maintenance.png

1006 ms

icone-consumption.png

icone-consumption.png

1016 ms

icone-pollution.png

icone-pollution.png

1021 ms

circle_bgs.png

circle_bgs.png

1019 ms

icone-guarantees-fuels.png

icone-guarantees-fuels.png

1061 ms

icone-guarantees-engines.png

icone-guarantees-engines.png

1051 ms

clipboard.png

clipboard.png

1056 ms

blockquote.png

blockquote.png

1059 ms

yt_play.png

yt_play.png

1108 ms

ul_link.png

ul_link.png

1126 ms

ul_bg.png

ul_bg.png

1121 ms

MYWJ4lYm5dbZ1UBuYox79KCWcynf_cDxXwCLxiixG1c.ttf

MYWJ4lYm5dbZ1UBuYox79KCWcynf_cDxXwCLxiixG1c.ttf

354 ms

failure.png

failure.png

1516 ms

analytics.js

analytics.js

313 ms

footer_bg.png

footer_bg.png

806 ms

bullets.png

bullets.png

831 ms

collect

collect

14 ms

v_UFO_ZGTC0

v_UFO_ZGTC0

56 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

33 ms

www-embed-player.js

www-embed-player.js

115 ms

base.js

base.js

149 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

52 ms

ad_status.js

ad_status.js

109 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

54 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

60 ms

Accessibility Review

xbee.nl accessibility score

85

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

xbee.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

xbee.nl SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Xbee.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Xbee.nl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

xbee.nl

Open Graph description is not detected on the main page of XBEE. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: